Maralit was
ordained to the priesthood on March 13, 1995 at the
Roman Catholic Archdiocese of Lipa. He first served as parochial vicar of the
Immaculate Conception Parish Church in
Bauan, Batangas from 1995 to 1996 and concurrently as a professor at St. Francis de Sales Major Seminary in Lipa until 1999. He became Assistant Director of Archdiocesan Commission on Vocation from 1996 to 1998, and Director from 1998 to 1999. From 2003 to 2009, he served as a professor, priest, formator, vice chancellor, and Dean of Studies at St. Francis de Sales Theological Seminary, where he also chaired the Construction Committee from 2006 onwards. He became the Rector of the seminary in 2009, serving until 2013. He then served as parochial vicar of the Parish of Santo Niño de Lipa in Barangay Marawoy, Lipa, from 2011 to 2013. In 2013, he became the parish priest of Invención de la Santa Cruz Parish in
Alitagtag, Batangas, and was appointed member of the Council of Priests of the Archdiocese of Lipa. ==Episcopate==